./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 24a5f4d4ce175d9ecfca07767d6ef832e3a186b51201df9014bcfdfc526e31cf --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 19:30:42,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 19:30:42,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 19:30:42,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 19:30:42,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 19:30:42,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 19:30:42,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 19:30:42,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 19:30:42,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 19:30:42,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 19:30:42,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 19:30:42,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 19:30:42,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 19:30:42,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 19:30:42,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 19:30:42,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 19:30:42,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 19:30:42,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 19:30:42,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 19:30:42,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 19:30:42,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 19:30:42,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 19:30:42,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 19:30:42,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 19:30:42,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 19:30:42,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 19:30:42,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 19:30:42,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 19:30:42,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 19:30:42,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 19:30:42,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 19:30:42,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 19:30:42,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 19:30:42,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 19:30:42,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 19:30:42,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 19:30:42,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 19:30:42,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 19:30:42,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 19:30:42,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 19:30:42,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 19:30:42,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-22 19:30:42,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 19:30:42,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 19:30:42,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 19:30:42,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 19:30:42,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 19:30:42,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 19:30:42,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 19:30:42,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 19:30:42,772 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 19:30:42,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 19:30:42,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 19:30:42,773 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 19:30:42,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 19:30:42,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 19:30:42,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 19:30:42,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 19:30:42,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 19:30:42,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 19:30:42,774 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-22 19:30:42,774 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 19:30:42,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 19:30:42,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 19:30:42,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 19:30:42,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 19:30:42,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 19:30:42,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 19:30:42,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 19:30:42,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 19:30:42,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 19:30:42,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 19:30:42,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 19:30:42,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 19:30:42,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 19:30:42,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 19:30:42,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24a5f4d4ce175d9ecfca07767d6ef832e3a186b51201df9014bcfdfc526e31cf [2021-12-22 19:30:42,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 19:30:42,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 19:30:42,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 19:30:42,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 19:30:42,976 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 19:30:42,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c [2021-12-22 19:30:43,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bfe26233/3b6d560533ea4248ad762ce1c94964f9/FLAG8d7d28fbc [2021-12-22 19:30:43,353 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 19:30:43,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c [2021-12-22 19:30:43,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bfe26233/3b6d560533ea4248ad762ce1c94964f9/FLAG8d7d28fbc [2021-12-22 19:30:43,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bfe26233/3b6d560533ea4248ad762ce1c94964f9 [2021-12-22 19:30:43,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 19:30:43,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 19:30:43,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 19:30:43,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 19:30:43,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 19:30:43,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:30:43" (1/1) ... [2021-12-22 19:30:43,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8ac514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:43, skipping insertion in model container [2021-12-22 19:30:43,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:30:43" (1/1) ... [2021-12-22 19:30:43,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 19:30:43,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 19:30:43,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c[44868,44881] [2021-12-22 19:30:43,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:30:43,989 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 19:30:44,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c[44868,44881] [2021-12-22 19:30:44,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:30:44,030 INFO L208 MainTranslator]: Completed translation [2021-12-22 19:30:44,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44 WrapperNode [2021-12-22 19:30:44,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 19:30:44,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 19:30:44,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 19:30:44,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 19:30:44,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,086 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 536 [2021-12-22 19:30:44,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 19:30:44,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 19:30:44,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 19:30:44,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 19:30:44,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 19:30:44,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 19:30:44,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 19:30:44,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 19:30:44,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (1/1) ... [2021-12-22 19:30:44,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 19:30:44,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:30:44,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 19:30:44,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 19:30:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 19:30:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 19:30:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 19:30:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 19:30:44,270 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 19:30:44,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 19:30:44,282 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-22 19:30:44,646 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-22 19:30:44,647 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-22 19:30:44,647 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 19:30:44,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 19:30:44,653 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 19:30:44,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:30:44 BoogieIcfgContainer [2021-12-22 19:30:44,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 19:30:44,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 19:30:44,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 19:30:44,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 19:30:44,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:30:43" (1/3) ... [2021-12-22 19:30:44,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220040dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:30:44, skipping insertion in model container [2021-12-22 19:30:44,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:30:44" (2/3) ... [2021-12-22 19:30:44,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220040dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:30:44, skipping insertion in model container [2021-12-22 19:30:44,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:30:44" (3/3) ... [2021-12-22 19:30:44,660 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.BV.c.cil.c [2021-12-22 19:30:44,664 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 19:30:44,664 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-12-22 19:30:44,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 19:30:44,698 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 19:30:44,699 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-12-22 19:30:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 148 states have (on average 1.7567567567567568) internal successors, (260), 160 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:30:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-22 19:30:44,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:30:44,714 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-22 19:30:44,714 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-22 19:30:44,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:30:44,718 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2021-12-22 19:30:44,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:30:44,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012769438] [2021-12-22 19:30:44,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:30:44,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:30:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:30:44,807 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:30:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:30:44,860 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:30:44,861 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-22 19:30:44,862 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2021-12-22 19:30:44,863 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2021-12-22 19:30:44,864 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2021-12-22 19:30:44,864 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2021-12-22 19:30:44,864 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2021-12-22 19:30:44,864 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2021-12-22 19:30:44,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2021-12-22 19:30:44,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2021-12-22 19:30:44,866 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2021-12-22 19:30:44,866 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2021-12-22 19:30:44,866 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2021-12-22 19:30:44,867 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2021-12-22 19:30:44,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 19:30:44,870 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-22 19:30:44,873 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 19:30:44,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 07:30:44 BoogieIcfgContainer [2021-12-22 19:30:44,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 19:30:44,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 19:30:44,905 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 19:30:44,905 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 19:30:44,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:30:44" (3/4) ... [2021-12-22 19:30:44,907 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-22 19:30:44,963 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 19:30:44,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 19:30:44,964 INFO L158 Benchmark]: Toolchain (without parser) took 1187.99ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 74.4MB in the beginning and 71.5MB in the end (delta: 2.9MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-12-22 19:30:44,964 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:30:44,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.87ms. Allocated memory is still 102.8MB. Free memory was 74.2MB in the beginning and 75.5MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 19:30:44,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.99ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 72.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 19:30:44,965 INFO L158 Benchmark]: Boogie Preprocessor took 21.33ms. Allocated memory is still 102.8MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 19:30:44,966 INFO L158 Benchmark]: RCFGBuilder took 546.30ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.5MB in the beginning and 91.3MB in the end (delta: -20.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-12-22 19:30:44,966 INFO L158 Benchmark]: TraceAbstraction took 246.39ms. Allocated memory is still 123.7MB. Free memory was 90.7MB in the beginning and 74.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-22 19:30:44,966 INFO L158 Benchmark]: Witness Printer took 58.62ms. Allocated memory is still 123.7MB. Free memory was 74.5MB in the beginning and 71.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 19:30:44,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.87ms. Allocated memory is still 102.8MB. Free memory was 74.2MB in the beginning and 75.5MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.99ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 72.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.33ms. Allocated memory is still 102.8MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.30ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.5MB in the beginning and 91.3MB in the end (delta: -20.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 246.39ms. Allocated memory is still 123.7MB. Free memory was 90.7MB in the beginning and 74.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 58.62ms. Allocated memory is still 123.7MB. Free memory was 74.5MB in the beginning and 71.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 91]: integer overflow possible integer overflow possible We found a FailurePath: [L689] int s ; [L690] int tmp ; [L694] s = 8464 [L695] CALL ssl3_accept(s) [L20] int s__info_callback = __VERIFIER_nondet_int(); [L21] int s__in_handshake = __VERIFIER_nondet_int(); [L22] int s__state ; [L23] int s__new_session ; [L24] int s__server ; [L25] int s__version = __VERIFIER_nondet_int(); [L26] int s__type ; [L27] int s__init_num ; [L28] int s__hit = __VERIFIER_nondet_int(); [L29] int s__rwstate ; [L30] int s__init_buf___0 ; [L31] int s__debug = __VERIFIER_nondet_int(); [L32] int s__shutdown ; [L33] int s__cert = __VERIFIER_nondet_int(); [L34] int s__options = __VERIFIER_nondet_int(); [L35] int s__verify_mode = __VERIFIER_nondet_int(); [L36] int s__session__peer = __VERIFIER_nondet_int(); [L37] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L38] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L39] int s__ctx__stats__sess_accept_renegotiate ; [L40] int s__ctx__stats__sess_accept ; [L41] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L42] int s__s3__tmp__cert_request ; [L43] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__use_rsa_tmp ; [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int buf = __VERIFIER_nondet_int(); [L51] unsigned long l ; [L52] unsigned long Time ; [L53] unsigned long tmp = __VERIFIER_nondet_ulong(); [L54] int cb ; [L55] long num1 ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int got_new_session ; [L61] int tmp___1 = __VERIFIER_nondet_int(); [L62] int tmp___2 = __VERIFIER_nondet_int(); [L63] int tmp___3 ; [L64] int tmp___4 ; [L65] int tmp___5 ; [L66] int tmp___6 ; [L67] int tmp___7 ; [L68] long tmp___8 = __VERIFIER_nondet_long(); [L69] int tmp___9 ; [L70] int tmp___10 ; [L71] int blastFlag ; [L72] int __retres67 ; [L75] s__state = initial_state [L76] blastFlag = 0 [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 VAL [\old(initial_state)=8464, blastFlag=0, buf=0, cb=0, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept_good=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=2147483648, tmp=2147483648, tmp___1=0, tmp___2=0, tmp___8=0] [L82] COND TRUE s__info_callback != 0 [L83] cb = s__info_callback VAL [\old(initial_state)=8464, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept_good=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=2147483648, tmp=2147483648, tmp___1=0, tmp___2=0, tmp___8=0] [L91] s__in_handshake + 1 VAL [\old(initial_state)=8464, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept_good=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=2147483648, tmp=2147483648, tmp___1=0, tmp___2=0, tmp___8=0] - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 267]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 267]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 269]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 269]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 368]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 368]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 672]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 672]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 161 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-22 19:30:44,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)